mary landrieu last week argued the government needs to increase your taxes to raise revenue. she owes 1200 bucks in tax penalties to the district of columbia. democratic congressman pushing the obama administration to regulate oil refineries and household appliances. if congress doesn't act on global warming the president should. and finally... speaking of global warming thousands of climate activists gathered in washington, d.c. to call on the president to fight harder to combat global warming. the weather not exact lipping them make their case. temperatures well below freezing most of the day. >> show that go video makes me think of summertime thousands of diet tips on the market. a lot of trick out there. we can often find ourselves confused as to what is fact and what is fiction. joining us now is mark seigel. good morning, doctor. we are thinking forward to nicer weather and trying to lose weight as a lot of us often struggle with. separate facts from fiction here. only calories affect weight. isn't that true? >> that is completely fiction. >> the university of florida l